Using a physical PD ruler to measure your Pupillary Distance for glasses. PD is the distance between the center of one pupil to the center of the other. The average PD is 54 to 78mm.
What to measure PD for glasses ThePD measurement for glassesis usually slightlydifferent from the actual pupillary distance. By deducting 3mm from your distance PD, you may determine your near PD for reading glasses. To determine near PD while utilizing Dual PD, deduct 1.5mm from the measurement...
Discover how to measure your pupillary distance and understand why it's vital for your eyewear. Find the perfect fit for your glasses using our Opthy app.
2. 先將直尺中0的刻度對準一眼(假設是左眼),可以雙眼先看左眼瞳孔中心與0的刻度對準,接著再用雙眼注視另一眼(變成右眼),並讀出另一眼瞳孔中心下的刻度,該刻度就是您的瞳距(PD),測2-3次會更精準。 方法B:用數位相機拍下 需要:一個朋友、一台數位相機與一隻刻度清楚的長尺(精準度到mm) 1. 您的朋友面...
Your glasses might have numbers on the inside of the temple arm. These refer to the lens width, bridge width, and temple arm length. The most important measurement, frame width, will not be printed on the temple arm. You can measure it yourself using the guide below. ...
If you're ordering glasses online and don't have your PD, here's a straightforward method to measure it yourself at home. Visit Zenni Optical to learn more.
Learn how to measure your pupillary distance & get answers to common questions such as what is a PD measurement & why it's important to your prescription.
So if you want to order eyeglasses online, you can either ask your optometrist for your PD or measure it yourself. If obtaining your measurement from your optometrist isn’t possible, no worries—you can measure it from home using our special ruler! Scroll down to our tutorials now....
Learning how to measure your pupillary distance at home is an important step towards finding your next pair of glasses. Try our free average pupillary distance ruler.
Find out how to accurately measure your pupillary distance. Understand what PD measurement means and why it's essential for your glasses prescription